Home / 2,183,613.68-3,013,356.39-1,216,784.72

Finding the Fourth Proportional to 2,183,613.68, 3,013,356.39 and 1,216,784.72

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Solution

The fourth proportional to 2,183,613.68, 3,013,356.39 and 1,216,784.72 is: 1,679,145.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183,613.68 : 3,013,356.39 = 1,216,784.72 : x
  2. Step 2: Convert to fraction form
    2,183,613.68/3,013,356.39 = 1,216,784.72/x
  3. Step 3: Cross multiply
    2,183,613.68x = 3,013,356.39 × 1,216,784.72
  4. Step 4: Simplify right side
    2,183,613.68x = 3,666,606,011,266.36
  5. Step 5: Solve for x
    x = 3,666,606,011,266.36/2,183,613.68
  6. Step 6: Final answer
    x = 1,679,145.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.